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Inflatable air bed

  • US 5,598,593 A
  • Filed: 02/10/1995
  • Issued: 02/04/1997
  • Est. Priority Date: 02/10/1995
  • Status: Expired due to Fees
First Claim
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1. An inflatable air bed, comprising:

  • an inflatable lower chamber having an outer periphery, at least one valve for inflating and deflating the entire lower chamber, and longitudinally extending retention members to limit outward expansion of said lower chamber upon gas inflation; and

    an inflatable upper chamber, having an outer periphery, at least one valve for inflating and deflating the entire upper chamber, and longitudinally extending tubular O-beam retention members to limit outward expansion of said upper chamber,a non-inflatable middle chamber having a central gusset band welded to the outer periphery of said lower and upper chambers.

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